[heap] Set progress bar flag for FixedArray upon allocation

test/cctest/heap/test-heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2212 matching lines @@
 // may precede or follow the object.
 TEST(TestAlignedOverAllocation) {
   Heap* heap = CcTest::heap();
   // Test checks for fillers before and behind objects and requires a fresh
   // page and empty free list.
   heap::AbandonCurrentlyFreeMemory(heap->old_space());
   // Allocate a dummy object to properly set up the linear allocation info.
   AllocationResult dummy =
       heap->old_space()->AllocateRawUnaligned(kPointerSize);
   CHECK(!dummy.IsRetry());
-  heap->CreateFillerObjectAt(
-      HeapObject::cast(dummy.ToObjectChecked())->address(), kPointerSize,
-      ClearRecordedSlots::kNo);
+  heap->CreateFillerObjectAt(dummy.ToObjectChecked()->address(), kPointerSize,
+                             ClearRecordedSlots::kNo);
 
   // Double misalignment is 4 on 32-bit platforms, 0 on 64-bit ones.
   const intptr_t double_misalignment = kDoubleSize - kPointerSize;
   Address start;
   HeapObject* obj;
   HeapObject* filler1;
   HeapObject* filler2;
   if (double_misalignment) {
     start = AlignOldSpace(kDoubleAligned, 0);
     obj = OldSpaceAllocateAligned(kPointerSize, kDoubleAligned);
@@ skipping 4860 matching lines @@
       chunk, chunk->area_end() - kPointerSize, chunk->area_end());
   slots[chunk->area_end() - kPointerSize] = false;
   RememberedSet<OLD_TO_NEW>::Iterate(chunk, [&slots](Address addr) {
     CHECK(slots[addr]);
     return KEEP_SLOT;
   });
 }
 
 }  // namespace internal
 }  // namespace v8